Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

22nd August 2014

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Reverse Percentages3 marks
A bill is £456 including VAT at 20%. Work out the amount before VAT.
2
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 4x + 1, work out y when x = -1.
3
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 40. Work out y when x = 14.
4
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 5 cm and angle 45°. Work out its area, to 1 decimal place.
5
Conditional Probability3 marks
20 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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